@PostMapping("/refunds/notify") public String refundsNotify(HttpServletRequest request, HttpServletResponse response){ // 成功验签 // 处理业务逻辑 // 成功应答 response.setStatus(200); map.put("code", "SUCCESS"); map.put("message", "成功"); System.out.println("返回给微信的：" + gson.toJson(map)); return gson.toJson(map); } 控制台也打印出返回给微信的：{"code":"SUCCESS","message":"成功"} 但是为什么还是重复收到微信发过来的回调通知？ {"mchid":"1558950191","out_trade_no":"ORDER_20221123215216573","transaction_id":"4200001647202211239756458359","out_refund_no":"REFUND_20221123215248108","refund_id":"50301403952022112327558288433","refund_status":"SUCCESS","success_time":"2022-11-23T21:53:46+08:00","amount":{"total":1,"refund":1,"payer_total":1,"payer_refund":1},"user_received_account":"支付用户零钱"}